Question

1 Find the value of cos²45 + sina 30°
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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

${ \cos(45) }^{2} + { \sin(30 ) }^{2} \\ = \frac{1}{2} + \frac{1}{4} \\ = \frac{3}{4}$

Step-by-step explanation:

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